He feels like...
vomiting / throwing up (OR He's going to get sick)
He feels...
dizzy
His nose is ...
bleeding
What's this?
Band aid or plaster
What's he doing?
sneezing
What's happened?
She's fainted / passed out.
What are stitches?
...
He's...
unconscious
What has she got?
rash
What's happened?
He's got food poisoning.
What's happening?
It's choking.
You ... after you fainted. (if everything's ok)
come round
What's she doing?
coughing
Why is she taking her shoe off?
She's got a blister.
What has he got?
sunburn
What has he got?
Sore throat
What's happened?
He's sprained his back.
She's ...
swollen